Adjective: proprietary pru'prI-u,te-ree [N. Amer], pru'prI-u-t(u-)ree [Brit]
- Protected by trademark or patent or copyright; made or produced or distributed by one having exclusive rights
"‘Tylenol’ is a proprietary drug of which ‘acetaminophen’ is the generic form"
- Of or relating to property or ownership
"The company's proprietary software is not available for public use"
- An unincorporated business owned by a single person who is responsible for its liabilities and entitled to its profits
"He operated his consulting firm as a proprietary";
- proprietorship
Derived forms: proprietaries
See also: branded, copyrighted, patented, trademarked
Antonym: nonproprietary
Encyclopedia: Proprietary